diff --git a/homeassistant/components/refoss/sensor.py b/homeassistant/components/refoss/sensor.py
index 82637aae538..92090a192e8 100644
--- a/homeassistant/components/refoss/sensor.py
+++ b/homeassistant/components/refoss/sensor.py
@@ -94,7 +94,7 @@ SENSORS: dict[str, tuple[RefossSensorEntityDescription, ...]] = {
             key="energy",
             translation_key="this_month_energy",
             device_class=SensorDeviceClass.ENERGY,
-            state_class=SensorStateClass.TOTAL,
+            state_class=SensorStateClass.TOTAL_INCREASING,
             native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
             suggested_display_precision=2,
             subkey="mConsume",
@@ -104,7 +104,7 @@ SENSORS: dict[str, tuple[RefossSensorEntityDescription, ...]] = {
             key="energy_returned",
             translation_key="this_month_energy_returned",
             device_class=SensorDeviceClass.ENERGY,
-            state_class=SensorStateClass.TOTAL,
+            state_class=SensorStateClass.TOTAL_INCREASING,
             native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
             suggested_display_precision=2,
             subkey="mConsume",